Furnace



l May '24,1927' J. BoucEKE'i-YAL y FURNAGE Filed Nov. s. 192e s sheets-sheet 5 /l// lk i3; 7 y' sy los?.

leenle ours nunntecn l "slssionons on our-.leunen oslo. l I

Application iled November 5, lil. Serial lilo. lfGAf/l,

This invention relatos lio furnaces/espe ciully designed i'or lille cnzunclino; ol viron. sieel und ille like und' for ille ircsiulent .o ccmnlic were und similar nrliclcs, lille gein eral olljccizof ille inveuliou lacing lo so coustl'uct -t-llc i'ul'nzlcc illui'.. ille maximum V amountof llcnlV will be secured il'onl ille inininluln amount4 oi i'ucl and also to distribute ille lleui evenly over ille Whole 'i'ur- 1o nace. Y

l This ill'veniion also consisls in ceriuin Motllerfezliurcs oi construction and in tile jcomlliiletion und. nrl'unueulcnl oi alle several ports. llo llo liere'il'lni'ier lu'lly i'le"'ribc l, il l5, lusireied in .tllc accompanying drzuving's und specifically' pointed outin lille Aappended claims. .l

In describing our invention in detail, rel:-

erencewill be llad to the accompanying 2o `drawings wherein like cllzlreclcrs denote like or corresponding Aports illrouglloutllle several views, and in n'llicll:- Y

` Figurev l isial sectional View on line l--l Of Figure. FigureQ is n sectional View on lille 2-m2 of Figure l.

Figure 3 is :l sectional View on line 3--7-3 of Figure 2. l

Figure 4l is :l sectional view on line iwf-Llof Figure 2.

Figure 5 is u. sectional View on line 5W?) of Figure 2. l

Figure 6 is :ll sectional View on line GWG of Figure 1. `In. these views, 1 indicates tlle oven or baking cllnnlllcr, Jelle Walls .2 olf lvllicll nre spaced from tile interior walls 8 oF ille ful nu-ce. A web or wull/l extends lff'lug'iiudinelly above the oven und connect-s tile top Well of tllc saine Wiill illc top interior willi of tile furnace und divides t'llc space between vthe oven und the interior walls of vt-lle furn nace into two passages 6 und (,itlle front ends of which nrc in communication Witll the combustion chamber 8 by the inlet ports 9. nud ille outer ends of illeso passages are in communication with ille vertical space 10 :it the rear of ille oven, 'Wllicll leads the products of combustion to the outlet 11 aiille rear of tlle furnace which is to lle connected with n chimney. Bullies I12 ure nrrnnged in the passages (i and 7 for causing the products of combustion passing tllrougll tlle snnle to tnlie a zigzag course along the sides and top of the oven2 thereby thon ouo'llly limiting ille seine. The oven is separnlcd from 'ille combustion chamber S lov n (loulllcowflll u'liicll will prevent .quick cooling oi ille floor oi ille oven Wllen the door of ille oren is open. This will prevenlI @l0 cracking o ille iioolrf Tilo conlllusiion splice 14 is arranged et ille resi' end of ille con'lllusiion cllnn'lber 8 und ille uel is admitted to tll'e suidspace through tile openingr l5. The cllnmloer 8 isl 55 divided into :i plurality oi lonuitudinallv en-endine,` passages 1G und-latere ly extendlng passages 17 which intersect tile passages 1 6. YSonic oi' the passages 17A are in communi cation with ille sides of thecomllusim sion specs le. The lust two passages 17 are ln communication' with the ports 9. ,An oir clluulller lSlis arranged loelow ille' combustion chamber 8 und llos its rear enel in clinnulunicni'i on with 'aloe combustion space l5 il fllrolugll lille port lil. ,A plir of all pas euses EOllnvc tlleir inner ends connected with ille cilenlller 'i8 end their outer ends passed illrough the rear Well of the furnace, 'wnere they nre provided Witll Lille valve de- 80 vice 2l for controlling tile flow of air into tile passages. @ne ci? ulisse passages is erreused et @nell side oli' ille nir cllnlber.

llroln ille foregoing it will 1oe seen that tile nir, entering ille device, is heated from, ille lient rzldiuized from the bottom of the conlllusiion cllsnlller so tllet il; will. enter ille comin. on space lllliu n 'highly lles'ted com dition sind illus improve ille combustion of tile fuel enlcringgj tllrougll tile opening 1 5. 90 Tile products of combustion, circulating lllrougril ille pusseges 1G and 17, Will higllly heutiiic boitonl ol ille oven'orcllam-ber vl to a uniform degree. Then ille products of combustion circulate around falle sides end top und ille end of ille oven. the ceses ilowing, in a zigzag: outil around tile oven before escspinclr to ille chimney through tllefex-H llaust il. Thus ille oven will lle lligllly llened with tile 4mininllun amount of iuel m0 and tile heat is evenly distributed over tlle Whole oven. By. healing the air beforeitreaches tlle combustion chamber, perfectl combustion of ille fuel is secured. Tile fuel used nlny be eiillery gas, oil or coul, but when coni is used. the combustion space-must be formed es o. lire box.

lt is tllougllt from the foregoing descripl tion cloniV ille advilnieges and novel features o our invention will oe readily apparent.

-We desire it to'be understood that we may make changes in the construction and in the combination and 'arrangementpf the several parts, provided'that such changes faltwith.-

Qin the scopeof the appendedV claims. What we claim is 1. Afurnacero'f the cla'ssfdescribed coniprising an oven having its` sides-,and top and ack -spaced -from thev interior wallsv of the,-

furnace,"a combustion V chamber'below the f oven and having its front endl in communication with the space between the oven and the. interiori walls of the'furn'ace, baiiies in the said space 'for causing the, products of combustion to passin a 'zigzag path to the rearof the oven, exhaust means at the rear i oflthe furnace in `communication with-tha.

space at the'rear. of the oven, a combustion spaceat the rear of the combustion chamber,

means lfor introducing "fuel into said space,

f an air chamber below the combustion chamb'erhaving its rearl end .in 'communication 'with the combustion space, a passage extending from the front'end of the airchani- 25 berthroughthe rear ofthe furnace for admitting air into the air `chamber and means` forcontrolling the entrance of 'air in tosaid passage. y Y furnace of the` class described comi rising an-oven having its sides'and top and,

ack: spaced from. the interiorl walls of the furnace, a combustion chamber below ,the

' oven and having its front end in communication with thefspace between the oven and the interior'walls of the furnace, balies in the said spacev for causing the productsl of combustion t0 pass ina zigzag path to the rear of fthe ovemexhaust meansat the rear of the furnace in communication with the space at 'the rear-*of 'the oven, a combustion space at the rear -o the combustion chamber, means for introducing* fuel into said space, an -air chamber below the combustion chamber hav ing its rea'r end in communication lwith the combustion s ace, a passage extending 'from the front en ofthe air chamber through the rear 'of the furnace for admitting air into the air chamber, menus for controlling the entrance of :iii-'into said passage and baflcs in the air chamber for causingthe air to take a zigzag path through thesame.

3. A furnace of the class described comprising anoven-havingritssides and top and ack spaced from the interior walls of the furnace, a combustion chamber below the tures.

loven and having its front cud in communicaspace atI the rear of the combustion chamber,

means for introducing fuel into said space,

'a'n vair chamber below the combust ion chamber 'having its rear end in communication with the combustion space, a assagc extend4 ing from the front cn'd of -t e air chamber 'through the rear'of thefui'na'ce for admitting air into the air'chambe'r, means for controlling the entrance of ain into said passage, bafii'es'in the air chamber for causingthe air to take' 'a zigzag path through the same and said, combustion chamber being 'composed of longitudinally extending passages and .transversely extending passages intersecting the longitudinal passages.

4. A' furnace of the classy described com# prising 'an oven having its sides,`top and rearspaced from the internal walls of the furnace, exhaust means at the rear of the furnace connected with the space atthe'rear of' the-oven, bailies in the v'spat'.zeat the sides' of the oven for causing the products o combustion to take a zigzag path throu 'h said space, a c0mbustion-chamber rating 'the 'oven from the said space, a combust-ion space at the rear end of the combustion chamber, said combustion chamber be-v ing composed' of longitudinally extending4 passageszand transversely extending passages, means'or introducing fuel Iinto the combustion s ace, an air chamber located below the com ustion chamberandhaving its inneren-d in communication with the combustion spiace, bullies in the air chamber for causing t e air te take a zigzag path'throu h the same, an air passage at each side of t e ain-chamber and connected with the front end of the same, said air lpassages passing through the rear of the furnace an'd Valve means for controlling'the flow ofair into 4the said passage.

In testimony whereof we affix our signa- JAMES noUoEK. JAMES HALICK.

locate below the-oven, a double wall sepa- 5 

